scurf

noun7

1. •
   The flakes of skin that fall off as a result of a skin disease.
2. •
   Any crust-like formations on the skin, or in general.

   • There stood a Hill not far whose friesly top / Belch'd fire and rowling smoak; the rest entire / Shon with a glossie scurff, undoubted sign / That in his womb was hid metallic Ore, — 1667
3. •
   (figurative) The foul remains of anything adherent.

   • The Scurf is worn away, of each committed Crime — 1697
4. •
   A skin disease.
5. •
   Minute membranous scales on the surface of some leaves, as in the goosefoot.
6. •
   A grey bull trout (Salvelinus confluentus).
7. •
   (slang, no longer used) A low, mean person.